Perhaps you should try some spelling variations:
campus peru » campus per, corpus peru, campos perez
medicion de » medicina de
de campus » del campus, de campos, de corpus
case pau » casas pau, case para, case la
de campo » de cambio, el campo
la pau » la paz
condiciones » conditions

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( condiciones de campus peru case pau ; ) OR ( medicion de campo de la pau ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( condiciones de campus peru case pau ; ) or ( medicion de campo de la pau ; ))*.